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MOVIE

The Greatest Power

IMDbView on IMDb ↗1917-06-18· 50 min
Drama

Miriam Monroe and John Conrad are two young scientific workers who, independently of each other, have discovered a chemical called exonite. Miriam discovered it while searching for a cure for cancer, while Conrad used it as a basis for a powerful explosive.

Top cast

Below are the streaming services currently carrying the movie “The Greatest Power” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.

Where to watch The Greatest Power in Canada

Netflix
Netflix
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OSN+
OSN+
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Amazon Prime Video
Amazon Prime Video
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Shahid
Shahid
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Watch It
Watch It
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TOD
TOD
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Disney+
Disney+
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Apple TV+
Apple TV+
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Not currently available on the supported providers in Canada.

Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 14 Sept 2026.

Where to watch The Greatest Power by country